Long Communication Range: The largest distance between two Motorcycle Bluetooth Headset is up to 1200 meter in open terrain Excellent Noice Control: Wind noise DSP cancellation guarantees crystal clear voice, reduce background noise from both incoming and outgoing audio. Long Battery Life : Up to 7hours talking time and 300 hours stand-by time for a single full charge Convenience of using: Auto-receiving cell phone calls, Automatic switching among Bluetooth cell phone, intercom, stereo music. You can enjoy the music or answer/reject the phone call easily.